Product Description
Grasshopper 643999 - Deck Weldment M1/61
The Grasshopper 643999 M1 61" Deck Weldment is a genuine OEM replacement deck shell designed for select Grasshopper MidMount™ mowers equipped with the M1 61-inch cutting deck. Manufactured to Grasshopper's original equipment specifications, this welded deck housing serves as the structural foundation of the mower deck, supporting the spindle assemblies, idlers, belt system, and other deck components while maintaining proper cutting performance.
Constructed for strength and durability, the 643999 deck weldment is designed as a direct OEM replacement, allowing existing compatible deck components to be transferred to the new deck shell during installation.
What is this part & what does it do?
The deck weldment is the primary structural component of the mower deck. It provides the mounting surface for the spindle assemblies, pulleys, idlers, anti-scalp wheels, and belt drive components while maintaining proper blade alignment and deck rigidity. Replacing a damaged or worn deck weldment restores the mower deck's structural integrity and cutting performance.
Specifications
- Part Number: 643999
- Manufacturer: Grasshopper OEM
- Part Type: Deck Weldment
- OEM Description: M1 61" Deck Weldment
- Deck Size: 61 Inches
- Deck Series: M1
- Condition: New OEM Replacement
Features
- Genuine Grasshopper OEM deck weldment
- Designed for M1 61-inch mower decks
- Heavy-duty welded steel construction
- Precision manufactured for OEM fit and performance
- Supports spindle assemblies, pulleys, idlers, and related deck components
- Restores deck strength and cutting performance
- Direct OEM replacement for compatible Grasshopper equipment
Replaces / Supersedes
No verified superseded part numbers have been published for Grasshopper part 643999.
Always verify your equipment model and serial number before ordering.
Used On
The Grasshopper 643999 M1 61" Deck Weldment is used on select Grasshopper MidMount™ mower deck assemblies equipped with the M1 61-inch deck, including verified applications on:
- Grasshopper 225 (2000–2001 M1-61 Deck Assembly)
- Grasshopper 321D (2000–2001 M1-61 Deck Assembly)
- Grasshopper 325 (2000–2001 M1-61 Deck Assembly)
- Grasshopper 428D (2001 M1-61 Deck Assembly)
Please verify your model and serial number before ordering. If you need assistance, email Orders@mowpart.com
